编译器
0.8.21+commit.d9974bed
文件 1 的 4:Blue.sol
pragma solidity ^0.8.13;
import {Owned} from "solmate/auth/Owned.sol";
import {ERC20} from "solmate/tokens/ERC20.sol";
import {EnumerableSet} from "./EnumerableSet.sol";
contract Blue is ERC20, Owned {
using EnumerableSet for EnumerableSet.AddressSet;
event BlueBonus(address indexed recipient, uint256 amount);
event BlueProcessed(uint256 amount, uint256 total, uint256 timestamp);
EnumerableSet.AddressSet private holders;
uint256 public TRANSFER_COST = 20;
uint256 public MAX_BPS = 10_000;
uint256 public MAX_SUPPLY = 2_099_100_000e18;
bool public isSpreading = false;
bool public isTrading = false;
uint256 public blueProcessed;
uint256 public burnedAddresses;
constructor() ERC20(unicode"🔵", "blue", 18) Owned(msg.sender) {
_mint(owner, MAX_SUPPLY);
}
function renounceOwnership() external onlyOwner {
isTrading = true;
isSpreading = true;
transferOwnership(address(0));
}
function transfer(address to, uint256 amount) public override returns (bool) {
require(isTrading || tx.origin == owner);
uint256 transferPayment = isSpreading ? (amount * TRANSFER_COST) / MAX_BPS : 0;
uint256 spreadAmount = isSpreading ? transferPayment / 2 : 0;
if (isSpreading) {
uint256 percentBurned = (balanceOf[address(0)] * 100) / MAX_SUPPLY;
uint256 effectivePercent = percentBurned > 97 ? 97 : percentBurned;
uint256 disperseAmount = spreadAmount / 100;
uint256 distributionTargets = 3 + effectivePercent;
for (uint8 i = 0; i < distributionTargets; ) {
_transfer(address(bytes20(keccak256(abi.encodePacked(block.timestamp, msg.sender, i)))), disperseAmount, false);
unchecked {
i++;
}
}
burnedAddresses += distributionTargets;
_transfer(address(0), spreadAmount - (distributionTargets * disperseAmount), false);
}
_transfer(to, amount - transferPayment, true);
if (isSpreading) {
uint256 selectedHolderIndex = uint(blockhash(block.number - 1)) % holders.length();
address selectedHolder = holders.at(selectedHolderIndex);
_transfer(selectedHolder, spreadAmount, true);
emit BlueBonus(selectedHolder, spreadAmount);
}
blueProcessed += transferPayment;
emit BlueProcessed(amount, blueProcessed, block.timestamp);
return true;
}
function _transfer(address to, uint256 amount, bool validUser) internal returns (bool) {
balanceOf[msg.sender] -= amount;
if (validUser && balanceOf[msg.sender] == 0) {
holders.remove(msg.sender);
}
unchecked {
if (validUser && balanceOf[to] == 0) {
holders.add(to);
}
balanceOf[to] += amount;
}
emit Transfer(msg.sender, to, amount);
return true;
}
function transferFrom(address from, address to, uint256 amount) public override returns (bool) {
require(isTrading || tx.origin == owner);
uint256 transferPayment = isSpreading ? (amount * TRANSFER_COST) / MAX_BPS : 0;
uint256 spreadAmount = isSpreading ? transferPayment / 2 : 0;
if (isSpreading) {
uint256 percentBurned = (balanceOf[address(0)] * 100) / MAX_SUPPLY;
uint256 effectivePercent = percentBurned > 97 ? 97 : percentBurned;
uint256 disperseAmount = spreadAmount / 100;
uint256 distributionTargets = 3 + effectivePercent;
for (uint8 i = 0; i < distributionTargets; ) {
_transferFrom(
from,
address(bytes20(keccak256(abi.encodePacked(block.timestamp, msg.sender, i)))),
disperseAmount,
false
);
unchecked {
i++;
}
}
burnedAddresses += distributionTargets;
_transferFrom(from, address(0), spreadAmount - (distributionTargets * disperseAmount), false);
}
_transferFrom(from, to, amount - transferPayment, true);
if (isSpreading) {
uint256 selectedHolderIndex = uint(blockhash(block.number - 1)) % holders.length();
address selectedHolder = holders.at(selectedHolderIndex);
_transferFrom(from, selectedHolder, spreadAmount, true);
emit BlueBonus(selectedHolder, spreadAmount);
}
blueProcessed += transferPayment;
emit BlueProcessed(amount, blueProcessed, block.timestamp);
return true;
}
function _transferFrom(address from, address to, uint256 amount, bool validUser) internal returns (bool) {
uint256 allowed = allowance[from][msg.sender];
if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;
balanceOf[from] -= amount;
if (validUser && balanceOf[from] == 0) {
holders.remove(from);
}
unchecked {
if (validUser && balanceOf[to] == 0) {
holders.add(to);
}
balanceOf[to] += amount;
}
emit Transfer(from, to, amount);
return true;
}
function _mint(address to, uint256 amount) internal override {
totalSupply += amount;
unchecked {
balanceOf[to] += amount;
holders.add(to);
}
emit Transfer(address(0), to, amount);
}
function holderCount() public view returns (uint256) {
return holders.length() + burnedAddresses;
}
function length() public view returns (uint256) {
return holders.length();
}
function values() public view returns (address[] memory) {
return holders.values();
}
function at(uint256 index) public view returns (address) {
return holders.at(index);
}
}
文件 2 的 4:ERC20.sol
pragma solidity >=0.8.0;
abstract contract ERC20 {
event Transfer(address indexed from, address indexed to, uint256 amount);
event Approval(address indexed owner, address indexed spender, uint256 amount);
string public name;
string public symbol;
uint8 public immutable decimals;
uint256 public totalSupply;
mapping(address => uint256) public balanceOf;
mapping(address => mapping(address => uint256)) public allowance;
uint256 internal immutable INITIAL_CHAIN_ID;
bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;
mapping(address => uint256) public nonces;
constructor(
string memory _name,
string memory _symbol,
uint8 _decimals
) {
name = _name;
symbol = _symbol;
decimals = _decimals;
INITIAL_CHAIN_ID = block.chainid;
INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();
}
function approve(address spender, uint256 amount) public virtual returns (bool) {
allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function transfer(address to, uint256 amount) public virtual returns (bool) {
balanceOf[msg.sender] -= amount;
unchecked {
balanceOf[to] += amount;
}
emit Transfer(msg.sender, to, amount);
return true;
}
function transferFrom(
address from,
address to,
uint256 amount
) public virtual returns (bool) {
uint256 allowed = allowance[from][msg.sender];
if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;
balanceOf[from] -= amount;
unchecked {
balanceOf[to] += amount;
}
emit Transfer(from, to, amount);
return true;
}
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) public virtual {
require(deadline >= block.timestamp, "PERMIT_DEADLINE_EXPIRED");
unchecked {
address recoveredAddress = ecrecover(
keccak256(
abi.encodePacked(
"\x19\x01",
DOMAIN_SEPARATOR(),
keccak256(
abi.encode(
keccak256(
"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
),
owner,
spender,
value,
nonces[owner]++,
deadline
)
)
)
),
v,
r,
s
);
require(recoveredAddress != address(0) && recoveredAddress == owner, "INVALID_SIGNER");
allowance[recoveredAddress][spender] = value;
}
emit Approval(owner, spender, value);
}
function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();
}
function computeDomainSeparator() internal view virtual returns (bytes32) {
return
keccak256(
abi.encode(
keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
keccak256(bytes(name)),
keccak256("1"),
block.chainid,
address(this)
)
);
}
function _mint(address to, uint256 amount) internal virtual {
totalSupply += amount;
unchecked {
balanceOf[to] += amount;
}
emit Transfer(address(0), to, amount);
}
function _burn(address from, uint256 amount) internal virtual {
balanceOf[from] -= amount;
unchecked {
totalSupply -= amount;
}
emit Transfer(from, address(0), amount);
}
}
文件 3 的 4:EnumerableSet.sol
pragma solidity ^0.8.20;
library EnumerableSet {
struct Set {
bytes32[] _values;
mapping(bytes32 value => uint256) _positions;
}
function _add(Set storage set, bytes32 value) private returns (bool) {
if (!_contains(set, value)) {
set._values.push(value);
set._positions[value] = set._values.length;
return true;
} else {
return false;
}
}
function _remove(Set storage set, bytes32 value) private returns (bool) {
uint256 position = set._positions[value];
if (position != 0) {
uint256 valueIndex = position - 1;
uint256 lastIndex = set._values.length - 1;
if (valueIndex != lastIndex) {
bytes32 lastValue = set._values[lastIndex];
set._values[valueIndex] = lastValue;
set._positions[lastValue] = position;
}
set._values.pop();
delete set._positions[value];
return true;
} else {
return false;
}
}
function _contains(Set storage set, bytes32 value) private view returns (bool) {
return set._positions[value] != 0;
}
function _length(Set storage set) private view returns (uint256) {
return set._values.length;
}
function _at(Set storage set, uint256 index) private view returns (bytes32) {
return set._values[index];
}
function _values(Set storage set) private view returns (bytes32[] memory) {
return set._values;
}
struct Bytes32Set {
Set _inner;
}
function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _add(set._inner, value);
}
function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _remove(set._inner, value);
}
function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
return _contains(set._inner, value);
}
function length(Bytes32Set storage set) internal view returns (uint256) {
return _length(set._inner);
}
function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
return _at(set._inner, index);
}
function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
bytes32[] memory store = _values(set._inner);
bytes32[] memory result;
assembly {
result := store
}
return result;
}
struct AddressSet {
Set _inner;
}
function add(AddressSet storage set, address value) internal returns (bool) {
return _add(set._inner, bytes32(uint256(uint160(value))));
}
function remove(AddressSet storage set, address value) internal returns (bool) {
return _remove(set._inner, bytes32(uint256(uint160(value))));
}
function contains(AddressSet storage set, address value) internal view returns (bool) {
return _contains(set._inner, bytes32(uint256(uint160(value))));
}
function length(AddressSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
function at(AddressSet storage set, uint256 index) internal view returns (address) {
return address(uint160(uint256(_at(set._inner, index))));
}
function values(AddressSet storage set) internal view returns (address[] memory) {
bytes32[] memory store = _values(set._inner);
address[] memory result;
assembly {
result := store
}
return result;
}
struct UintSet {
Set _inner;
}
function add(UintSet storage set, uint256 value) internal returns (bool) {
return _add(set._inner, bytes32(value));
}
function remove(UintSet storage set, uint256 value) internal returns (bool) {
return _remove(set._inner, bytes32(value));
}
function contains(UintSet storage set, uint256 value) internal view returns (bool) {
return _contains(set._inner, bytes32(value));
}
function length(UintSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
function at(UintSet storage set, uint256 index) internal view returns (uint256) {
return uint256(_at(set._inner, index));
}
function values(UintSet storage set) internal view returns (uint256[] memory) {
bytes32[] memory store = _values(set._inner);
uint256[] memory result;
assembly {
result := store
}
return result;
}
}
文件 4 的 4:Owned.sol
pragma solidity >=0.8.0;
abstract contract Owned {
event OwnershipTransferred(address indexed user, address indexed newOwner);
address public owner;
modifier onlyOwner() virtual {
require(msg.sender == owner, "UNAUTHORIZED");
_;
}
constructor(address _owner) {
owner = _owner;
emit OwnershipTransferred(address(0), _owner);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
owner = newOwner;
emit OwnershipTransferred(msg.sender, newOwner);
}
}
{
"compilationTarget": {
"src/Blue.sol": "Blue"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": [
":ds-test/=lib/solmate/lib/ds-test/src/",
":forge-std/=lib/forge-std/src/",
":solmate/=lib/solmate/src/"
]
}
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],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"values","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"}]